Disgusted with Cell C

I had a consultant from Cell C Direct who called me to upgrade my data sim contracts from 10g to 15g day and night for the same price of R149. I obviously accepted the deal as this was brilliant service. This was done on the 22nd July. Since that day, the 2 data sims have not been working correctly. I called the customer care who put me through to technical services. They explained to me that the numbers are migrating to roaming with Vodacom and sent me instructions to follow. Needless to say the instructions didn't work. I went into a cell c store where the consultant 'fixed' the problem. I got home and the data sims stopped working. I called the call centre and was spoke to 6 different consultants, had to go through security questions with each one and the final person then tells me they sorry but they cant help me. I must speak to the person that did the upgrade but they cant transfer me. I then went to another cell c store where I am told the upgrade is for home routers and my data sims is in a phone and the other is in a pocket router so I have to buy a home router. The consultant who called me did not tell me its for a home router. He just said je would upgrade my data sims to more data for the same price. I completely lost my temper and then another consultant said she would try and help. 2 hours later and I am told they going to cancel the contracts but I still need to pay for both contracts for the month even though I wont be using the data and it was not my fault that they loaded an incorrect contract! I am apparently an Exclusive customer but the service I am receiving is digusting. They not even going to waiver the fees. And I have 8 contracts with Cell C. I have often been told I should take my business elsewhere and clearly I see that I should but I thought loyalty to a company was a good thing. Clearly I was mistaken I should rather take my business somewhere where my 8 contracts would be valued